Wu Shuo learned that, according to Sisa Journal, the office buildings of Hyundai Group and Hyundai Motor Group in Seoul, South Korea, received bomb threat emails on the morning of the 19th. The suspect claimed that if 13 bitcoins were not paid, they would detonate the buildings and threatened to carry bombs to Ryangja-dong to continue the attack. The police have dispatched special forces and other units to investigate, and no explosives have been found so far. The report pointed out that recently, large Korean companies have frequently faced similar threats, including Samsung, KT, Kakao, Naver, and others. The police are actively pursuing the suspect's identity.